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Rotten stone is sometimes used to buff stains out of wood. Some polishing waxes contain powdered rotten stone in a paste substrate. For larger polishing jobs, rotten stone mixed with a binder is applied to polishing wheels. It has also been used to polish brass, such as that found on military uniforms, as well as steel and other metals.
The conservation and restoration of frescoes is the process of caring for and maintaining frescos, and includes documentation, examination, research, and treatment to insure their long-term viability, when desired.
BlueLine Rental, formerly Volvo Rents, was an American company that rented construction equipment to contractors and retail consumers through a network of company owned stores. The company specialized in renting a variety of construction equipment, ranging from small tools and light towers to large earthmoving equipment.
The conservation and restoration of copper and copper-alloy objects is the preservation and protection of objects of historical and personal value made from copper or copper alloy. When applied to items of cultural heritage , this activity is generally undertaken by a conservator-restorer .
Water causes damage and results from natural occurrences, technological hazards, or mechanical failures. Many cases of water damage can be traced to accidents or neglect. "A great many of the materials that museum objects are made of are highly susceptible to contact with water and can be severely damaged by even brief contact, while others may be exposed to water for longer periods without harm.
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There are three types of rock differentiated by physical characteristics resulting from their respective formative processes. These three categories are: igneous or volcanic rocks (basalt, granite, etc.), sedimentary or deposit rocks (limestone, sandstone, arenite, etc.), and metamorphic rocks (marble, slate, gypsum, etc.).
In January 2014, Vulcan Materials announced they would be selling their Florida Rock Industry (cement and ready-mixed concrete) plants and equipment to Cementos Argos, of Colombia. In March 2014, Vulcan was able to fully divest these properties to Cementos Argos. [9]